:root {
  color-scheme: light dark;
  --bg: #f8fafc;
  --fg: #1e293b;
  --fg-muted: #475569;
  --surface: #ffffff;
  --surface-border: #e2e8f0;
  --accent: #2563eb;
  --accent-fg: #ffffff;
  --danger: #dc2626;
  --success: #16a34a;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--fg);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}